1. Apply the product to dry hair, separating it line by line, for an application as close as possible to the scalp. 2. Massage and coat the product evenly into the scalp and throughout the hair. 3. Put the cap (which comes with the product) on your head. 4. Allow the product to work on the hair and scalp for 30 minutes. 5. Remove the cap and comb (with the Parasidose comb that comes with the product). Comb the hair from the root to remove dead parasites. Wash and clean the comb with a cloth after each use. 6. Wash your hair with your usual shampoo and then rinse thoroughly.